【自行翻译】Published on June 6, 2012 by NASA Explorer http://www.youtube.com/watch?v=4Z9rM8ChTjY Launched on Feb. 11, 2010, the Solar Dynamics Observatory, or SDO, is the most advanced spacecraft ever designed to study the sun. On June 5 2012, SDO collected images of the rarest predictable solar event--the transit of Venus across the face of the sun. The videos and images displayed here are constructed from several wavelengths of extreme ultraviolet light and a portion of the visible spectrum. This video is public domain and can be downloaded at: http://svs.gsfc.nasa.gov/vis/a010000/a010900/a010996/index.html